-65.4% is the change from 870 to 301
Calculation steps:
[( 301 - 870 ) ÷ 870] x 100 = -65.4%
Formula
Percentage change = [(301 - 870) / 870] x 100
Subtract the new number by the original number
301 - 870 = -569
-569 ÷ 870 = -0.6540229885057471
-0.6540229885057471 x 100 = -65.4%